ostk.astrodynamics.dynamics.Tabulated¶

class Tabulated(self: ostk.astrodynamics.dynamics.Tabulated, instants: list[ostk.physics.time.Instant], contribution_profile: numpy.ndarray[numpy.float64[m, n]], coordinate_subsets: list[ostk.astrodynamics.trajectory.state.CoordinateSubset], frame: ostk.physics.coordinate.Frame, interpolation_type: ostk.mathematics.curve_fitting.Interpolator.Type = <Type.BarycentricRational: 0>)¶

Bases: Dynamics

The tabulated dynamics.

Constructor.

Parameters:

instants (list[Instant]) -- An array of instants.
contribution_profile (numpy.ndarray) -- A contribution profile.
coordinate_subsets (list[CoordinateSubset]) -- An array of coordinate subsets related to the contribution profile.
frame (Frame) -- A frame.
interpolation_type (Interpolator.Type, optional) -- The interpolation type. Defaults to Barycentric Rational.

Methods

`access_contribution_profile`	Access the contribution profile.
`access_frame`	Access the reference frame.
`access_instants`	Access the contribution instants.
`compute_contribution`	Compute the contribution from the contribution profile to the state vector.
`from_environment`	Create a list of Dynamics objects from an environment.
`get_contribution_profile_from_coordinate_subsets`	Get the contribution profile corresponding to a subset of coordinates.
`get_interpolation_type`	Get the interpolation type used for each row of the contribution profile (they are all the same).
`get_name`	Get the name of the dynamics.
`get_read_coordinate_subsets`	Get the coordinate subsets that the dynamics reads.
`get_write_coordinate_subsets`	Get the coordinate subsets that the dynamics writes.
`is_defined`	Check if the tabulated dynamics is defined.

access_contribution_profile( self: ostk.astrodynamics.dynamics.Tabulated, ) → numpy.ndarray[numpy.float64[m, n]]¶

Access the contribution profile.

Returns:: The contribution profile.
Return type:: np.ndarray

access_frame( self: ostk.astrodynamics.dynamics.Tabulated, ) → ostk.physics.coordinate.Frame¶

Access the reference frame.

Returns:: The reference frame.
Return type:: Frame

access_instants( self: ostk.astrodynamics.dynamics.Tabulated, ) → list[ostk.physics.time.Instant]¶

Access the contribution instants.

Returns:: The contribution instants.
Return type:: list[Instant]

compute_contribution( self: ostk.astrodynamics.dynamics.Tabulated, instant: ostk.physics.time.Instant, x: numpy.ndarray[numpy.float64[m, 1]], frame: ostk.physics.coordinate.Frame, ) → numpy.ndarray[numpy.float64[m, 1]]¶

Compute the contribution from the contribution profile to the state vector.

Parameters:

instant (Instant) -- The instant of the state vector.
x (numpy.ndarray) -- The state vector.
frame (Frame) -- The reference frame.

Returns:

The contribution from the contribution profile to the state vector.

Return type:

numpy.ndarray

static from_environment( environment: ostk.physics.Environment, ) → list[ostk.astrodynamics.Dynamics]¶

Create a list of Dynamics objects from an environment.

Parameters:: environment (Environment) -- The environment to create the dynamics from.
Returns:: The list of Dynamics objects created from the environment.
Return type:: dynamics (list[Dynamics])

get_contribution_profile_from_coordinate_subsets( self: ostk.astrodynamics.dynamics.Tabulated, coordinate_subsets: list[ostk.astrodynamics.trajectory.state.CoordinateSubset], ) → numpy.ndarray[numpy.float64[m, n]]¶

Get the contribution profile corresponding to a subset of coordinates.

Parameters:: coordinate_subsets (list[CoordinateSubset]) -- The coordinate subsets.
Returns:: The contribution profile.
Return type:: numpy.ndarray

get_interpolation_type( self: ostk.astrodynamics.dynamics.Tabulated, ) → ostk.mathematics.curve_fitting.Interpolator.Type¶

Get the interpolation type used for each row of the contribution profile (they are all the same).

Returns:: The interpolation type.
Return type:: Interpolator.Type

get_name(self: ostk.astrodynamics.Dynamics) → ostk.core.type.String¶

Get the name of the dynamics.

Returns:: The name of the dynamics.
Return type:: name (str)

get_read_coordinate_subsets( self: ostk.astrodynamics.Dynamics, ) → list[ostk.astrodynamics.trajectory.state.CoordinateSubset]¶

Get the coordinate subsets that the dynamics reads.

Returns:: The coordinate subsets that the dynamics reads.
Return type:: read_coordinate_subsets (Array<CoordinateSubset>)

get_write_coordinate_subsets( self: ostk.astrodynamics.Dynamics, ) → list[ostk.astrodynamics.trajectory.state.CoordinateSubset]¶

Get the coordinate subsets that the dynamics writes.

Returns:: The coordinate subsets that the dynamics writes.
Return type:: write_coordinate_subsets (Array<CoordinateSubset>)

is_defined(self: ostk.astrodynamics.dynamics.Tabulated) → bool¶

Check if the tabulated dynamics is defined.

Returns:: True if the tabulated dynamics is defined, False otherwise.
Return type:: bool